January 18, 2006

SiRF star III Chipset- Patent Infringement?

Many of us have seen the SiRF star III chipset showing up in numerous products in the last 6 months from the Garmin Nuvi to the forthcoming Garmin Forerunner 205 and 305, to the new TomTom ONE and the Mio A201. The chipset looks like a winner for its high sensitivity and low power draw. Now there is a concern that the chipset infringes on U-NAV's patents. Previously SiRF has filed claims that u-NAV had infringed on SiRF's patents.

GPS company u-Nav Microelectronics Corp. has filed another has filed an additional counterclaim for patent infringement against SiRF Technology Inc., in the United States District Court for the Central District of California.

In its latest claim u-Nav (Irvine, Calif.) alleged that certain SiRF products, including SiRFstarIII, infringe u-Nav's U.S. Patent No. 6,909,739.

SiRF Technology (San Jose, Calif.) filed a patent infringement suit against u-Nav in August 2005. Both companies provide GPS-enabled location technology.

This was followed by a counterclaim from u-Nav in September 2005 prior to the latest claim.

"Our investment in research and development has yielded fundamental intellectual property rights," said Russ Garcia, president and chief executive officer of u-Nav, in a statement. "As a highly innovative supplier of GPS solutions it is important that u-Nav protect its patented technology."


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Posted by Scott Martin at January 18, 2006 6:02 AM

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